About this item 6 Pack Wire Brush Set: This package includes: 2 pcs carbon steel cup brush, 2 pcs wheel brush, 2 pcs pen brush with 1/4 inch hex shank. Hardened steel wire long maximum 4500 RPM. Attaches to Most Power Drill: 1/4" Shank Hex quick change shanks are use in all Types of drills and die grinders 4500 Max RPM. Black Steel Wire: Carefully selected premium wire steel, bound & balanced expertly & properly together for unsurpassed knotted integrity for longer life, safety, smoothness & ease of use. Wide Applications: Easily and smoothly remove heavy corrosion, rust, paint, spatter and scale removal while also clean weld edges, debur metal and paint. Looking for a tool to clean your vehicle, shed, or boat? This steel wire pen brush is just what you need to get those hard-to-reach areas. It's the perfect accessory for your garage or workshop. › See more product details